Algebra 1 2-10 Independent Practice: Change Expressed as a Percent

by Matthew Richardson

| 9 Questions1

1

10

A

B

C

D

2

2

10

A

B

C

D

3

3

10

A

B

C

D

4

5

Vocabulary: Determine whether the situation involves a percent increase or a percent decrease.

A hat that originally costs $12 sold for $9.50.

Percent increase

Percent decrease

5

5

Vocabulary: Determine whether the situation involves a percent increase or a percent decrease.

You buy a DVD for $10 and sell it for $8.

Percent increase

Percent decrease

6

5

Vocabulary: Determine whether the situation involves a percent increase or a percent decrease.

A store buys glasses wholesale for $2 per class. The store sells them for $4.50

Percent increase

Percent decrease

7

10

Reasoning: What is the greatest possible error of a measurement taken to the nearest tenth of a meter? Hint: Consider how many centimeters are in one tenth of a meter.

10 cm

5 cm

1 cm

0.1 cm

8

10

Writing: How is calculating percent increase different from calculating percent decrease?

9

10

Reflection: Math Success

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